Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5859480 | AC power supply controller for use in semiconductor fabrication facilities | Jung-Ho Guk | 1999-01-12 |
| 5794989 | Construction for coupling two tubes | Bong-Hee Park | 1998-08-18 |
| 5352293 | Tube apparatus for manufacturing semiconductor device | Chang-jip Yang, Jung-Soo An, Jun-geen An | 1994-10-04 |